# limitations under the License.
# Impements the services of `mnit:app` using the API from the Android ndk
-module android_app
+module android_app is android_manifest_activity """
+ android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+ android:configChanges="orientation|keyboardHidden"
+"""
-import android_opengles1
+import mnit
import android
-
-in "C header" `{
- #include <jni.h>
- #include <errno.h>
- #include <android/log.h>
- #include <android_native_app_glue.h>
-`}
+import mnit::opengles1
+intrude import ::android::input_events
in "C" `{
#include <EGL/egl.h>
- #include <GLES/gl.h>
- #define GL_GLEXT_PROTOTYPES 1
- #include <GLES/glext.h>
- #include <errno.h>
-
- #define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "mnit", __VA_ARGS__))
- #ifdef DEBUG
- #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "mnit", __VA_ARGS__))
- #else
- #define LOGI(...) (void)0
- #endif
extern EGLDisplay mnit_display;
extern EGLSurface mnit_surface;
extern EGLConfig mnit_config;
extern int32_t mnit_width;
extern int32_t mnit_height;
- extern float mnit_zoom;
-
- int mnit_orientation_changed;
- float mnit_zoom;
- int mnit_animating = 0;
-
- /* This is confusing; the type come from android_native_app_glue.h
- and so identifies the java part of the app */
- struct android_app *mnit_java_app;
-
- /* This is the pure Nit App */
- App nit_app;
-
- /* The main of the Nit application, compiled somewhere else */
- extern int main(int, char**);
-
- /* Wraps App_full_frame() and check for orientation. */
- void mnit_frame();
-
- void mnit_term_display()
- {
- // At this point we have nothing to do
- }
-
- /* Handle inputs from the Android platform and sort them before
- sending them in the Nit App */
- static int32_t mnit_handle_input(struct android_app* app, AInputEvent* event) {
- LOGI("handle input %i", (int)pthread_self());
- if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_KEY) {
- LOGI("key");
- return App_extern_input_key(nit_app, event);
- }
- else if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
- LOGI("motion");
- return App_extern_input_motion(nit_app, event);
- }
-
- return 0;
- }
-
- static void mnit_handle_cmd(struct android_app* app, int32_t cmd) {
-
- mnit_java_app = app;
- AConfiguration_setOrientation(mnit_java_app->config, ACONFIGURATION_ORIENTATION_LAND);
- LOGI("cmd %i", (int)pthread_self());
-
- switch (cmd) {
- case APP_CMD_SAVE_STATE:
- LOGI ("save state");
- mnit_java_app->savedStateSize = 1;
- mnit_java_app->savedState = malloc(1);
- App_save(nit_app);
- break;
-
- case APP_CMD_INIT_WINDOW:
- LOGI ("init window");
- if (mnit_java_app->window != NULL) {
- LOGI("init window in");
- App_init_window(nit_app);
- mnit_frame();
- mnit_animating = 1;
- }
- break;
-
- case APP_CMD_TERM_WINDOW:
- LOGI ("term window");
- mnit_term_display();
- App_term_window(nit_app);
- break;
-
- case APP_CMD_GAINED_FOCUS:
- LOGI ("gain foc");
- mnit_animating = 1;
- App_gained_focus(nit_app);
- LOGI ("gain foc 1");
- break;
-
- case APP_CMD_LOST_FOCUS:
- LOGI ("lost foc");
- mnit_animating = 0;
- App_lost_focus(nit_app);
- mnit_frame();
- break;
-
- case APP_CMD_PAUSE:
- LOGI ("app pause");
- App_pause(nit_app);
- break;
-
- /*
- case APP_CMD_STOP:
- LOGI ("app stop");
- App_stop(nit_app);
- break;
-
- case APP_CMD_DESTROY:
- LOGI ("app destrop");
- App_destroy(nit_app);
- break;
-
- case APP_CMD_START:
- LOGI ("app start");
- App_start(nit_app);
- break;
- */
-
- case APP_CMD_RESUME:
- LOGI ("app resume");
- App_resume(nit_app);
- break;
-
- case APP_CMD_LOW_MEMORY:
- LOGI ("app low mem");
- break;
-
- case APP_CMD_CONFIG_CHANGED:
- LOGI ("app cmd conf ch");
- break;
-
- case APP_CMD_INPUT_CHANGED:
- LOGI ("app cmd in ch");
- break;
-
- case APP_CMD_WINDOW_RESIZED:
- mnit_orientation_changed = 1;
- LOGI ("app win res");
- break;
-
- case APP_CMD_WINDOW_REDRAW_NEEDED:
- LOGI ("app win redraw needed");
- break;
-
- case APP_CMD_CONTENT_RECT_CHANGED:
- LOGI ("app content rect ch");
- break;
- }
- }
-
- void android_main(struct android_app* app)
- {
- mnit_java_app = app;
-
- app_dummy();
-
- main(0, NULL);
- }
-
- void mnit_frame()
- {
- if (mnit_display == EGL_NO_DISPLAY) {
- LOGI("no frame");
- return;
- }
-
- if (mnit_orientation_changed)
- {
- mnit_orientation_changed = 0;
-
- if (mnit_surface != EGL_NO_SURFACE) {
- eglDestroySurface(mnit_display, mnit_surface);
- }
- EGLSurface surface = eglCreateWindowSurface(mnit_display, mnit_config, mnit_java_app->window, NULL);
-
- if (eglMakeCurrent(mnit_display, surface, surface, mnit_context) == EGL_FALSE) {
- LOGW("Unable to eglMakeCurrent");
- }
-
- eglQuerySurface(mnit_display, surface, EGL_WIDTH, &mnit_width);
- eglQuerySurface(mnit_display, surface, EGL_HEIGHT, &mnit_height);
-
- mnit_surface = surface;
-
- glViewport(0, 0, mnit_width, mnit_height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrthof(0.0f, mnit_width, mnit_height, 0.0f, 0.0f, 1.0f);
- glMatrixMode(GL_MODELVIEW);
- }
-
- LOGI("frame");
-
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT); // | GL_DEPTH_BUFFER_BIT);
-
- App_full_frame(nit_app);
-
- LOGI("frame b");
- }
`}
-
-extern InnerAndroidMotionEvent in "C" `{AInputEvent *`}
- super Pointer
- private fun pointers_count: Int is extern `{
- return AMotionEvent_getPointerCount(recv);
- `}
- private fun just_went_down: Bool is extern `{
- return (AMotionEvent_getAction(recv) & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_DOWN;
- `}
- private fun edge: Int is extern `{
- return AMotionEvent_getEdgeFlags(recv);
- `}
- private fun index_down_pointer: Int is extern `{
- int a = AMotionEvent_getAction(recv);
- if ((a & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_POINTER_DOWN)
- return (a & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
- else return -1;
- `}
-end
-
-interface AndroidInputEvent
- super InputEvent
-end
-
-class AndroidMotionEvent
- super AndroidInputEvent
- super MotionEvent
-
- private init(ie: InnerAndroidMotionEvent) do inner_event = ie
- private var inner_event: InnerAndroidMotionEvent
-
- private var pointers_cache: nullable Array[AndroidPointerEvent] = null
- fun pointers: Array[AndroidPointerEvent]
- do
- if pointers_cache != null then
- return pointers_cache.as(not null)
- else
- var pointers = new Array[AndroidPointerEvent]
- var pointers_count = inner_event.pointers_count
- for i in [0 .. pointers_count [do
- var pointer_event = new AndroidPointerEvent(self, i)
- pointers.add(pointer_event)
- end
- pointers_cache = pointers
- return pointers
- end
- end
-
- redef fun just_went_down: Bool do return inner_event.just_went_down
- fun edge: Int do return inner_event.edge
-
- redef fun down_pointer: nullable AndroidPointerEvent
- do
- var i = inner_event.index_down_pointer
- if i > 0 then
- return pointers[i]
- else
- return null
- end
- end
-end
-
-class AndroidPointerEvent
- super PointerEvent
- super AndroidInputEvent
-
- protected var motion_event: AndroidMotionEvent
- protected var pointer_id: Int
-
- redef fun x: Float do return extern_x(motion_event.inner_event, pointer_id)
- private fun extern_x(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
- return ((int) AMotionEvent_getX(motion_event, pointer_id) * mnit_zoom);
- `}
-
- redef fun y: Float do return extern_y(motion_event.inner_event, pointer_id)
- private fun extern_y(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
- return ((int) AMotionEvent_getY(motion_event, pointer_id) * mnit_zoom) + 32;
- `}
-
- fun pressure: Float do return extern_pressure(motion_event.inner_event, pointer_id)
- private fun extern_pressure(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
- return AMotionEvent_getPressure(motion_event, pointer_id);
- `}
-
- redef fun pressed do return true
- redef fun depressed do return false
-end
-
-extern AndroidKeyEvent in "C" `{AInputEvent *`}
- super KeyEvent
- super AndroidInputEvent
-
- fun action: Int is extern `{
- return AKeyEvent_getAction(recv);
- `}
- redef fun is_down: Bool do return action == 0
- redef fun is_up: Bool do return action == 1
-
- fun key_code: Int is extern `{
- return AKeyEvent_getKeyCode(recv);
- `}
-
- fun key_char: Char is extern `{
- int code = AKeyEvent_getKeyCode(recv);
- if (code >= AKEYCODE_0 && code <= AKEYCODE_9)
- return '0'+code-AKEYCODE_0;
- if (code >= AKEYCODE_A && code <= AKEYCODE_Z)
- return 'a'+code-AKEYCODE_A;
- return 0;
- `}
-
- fun is_back_key: Bool do return key_code == 2
- fun is_menu_key: Bool do return key_code == 82
- fun is_search_key: Bool do return key_code == 84
-end
-
-redef class Object
- # Uses Android logs for every print
- redef fun print(text: Object) is extern import Object.to_s, String.to_cstring `{
- __android_log_print(ANDROID_LOG_INFO, "mnit print", "%s", String_to_cstring(Object_to_s(text)));
- `}
-end
-
redef class App
- redef type IE: AndroidInputEvent
redef type D: Opengles1Display
- redef fun log_warning(msg) is extern import String.to_cstring `{
- LOGW("%s", String_to_cstring(msg));
- `}
- redef fun log_info(msg) is extern import String.to_cstring `{
- LOGI("%s", String_to_cstring(msg));
- `}
-
redef fun init_window
do
- super
-
display = new Opengles1Display
+
+ super
end
-
- # these two are used as a callback from native to type incoming events
- private fun extern_input_key(event: AndroidKeyEvent): Bool
+
+ redef fun full_frame do if not paused then super
+
+ redef fun generate_input do poll_looper 0
+
+ redef fun native_input_key(event)
do
return input(event)
end
- private fun extern_input_motion(event: InnerAndroidMotionEvent): Bool
+
+ redef fun native_input_motion(event)
do
var ie = new AndroidMotionEvent(event)
var handled = input(ie)
return handled
end
-
- redef fun main_loop is extern import full_frame, save, pause, resume, gained_focus, lost_focus, init_window, term_window, extern_input_key, extern_input_motion `{
- LOGI("nitni loop");
-
- nit_app = recv;
-
- mnit_java_app->userData = &nit_app;
- mnit_java_app->onAppCmd = mnit_handle_cmd;
- mnit_java_app->onInputEvent = mnit_handle_input;
-
- while (1) {
- int ident;
- int events;
- static int block = 0;
- struct android_poll_source* source;
-
- while ((ident=ALooper_pollAll(0, NULL, &events,
- (void**)&source)) >= 0) { /* first 0 is for non-blocking */
-
- // Process this event.
- if (source != NULL)
- source->process(mnit_java_app, source);
-
- // Check if we are exiting.
- if (mnit_java_app->destroyRequested != 0) {
- mnit_term_display();
- return;
- }
- }
-
- if (mnit_animating == 1) {
- mnit_frame();
- LOGI("frame at loop end 1");
- }
- }
-
- /* App_exit(); // this is unreachable anyway*/
- `}
end
-